Temperatures in May
It's cool to moderate in May in Alaska with an average temperature of 16°C. Temperatures this month range from a low of 12°C to a high of 20°C. At night, you can expect temperatures between -1°C and 8°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Alaska in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Alaska with cool temperatures, averaging around 13°C during the day and nights close to 2°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature rises to around 17°C, with nights close to 5°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of May
By the end of May, the average daytime temperature in Alaska will be around 18°C, with nights close to 7°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in May
In May, there is an average of 18 mm of precipitation, spread over 5 days. Of the total precipitation, about 1,9 cm falls as snow in May. The wind speed is around 3 Bft, mostly coming from the South.
The precipitation chance averages 17% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Alaska. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Alaska in May |
UK | ||
|---|---|---|---|
 Average Temperature |
16°C | 18°C | |
 High Temp |
20°C | 21°C | |
| Low Temp |
12°C | 15°C | |
 Total Precipitation |
18 mm | 46 mm | |
| Rainy Days |
5 days | 8 days | |
 Total Snowfall |
1,9 cm | 0 cm | |
| Snowy Days |
1 day | 0 days | |
April
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is May a good time to visit Alaska?
Looking for sun and warm weather? Then May isn’t the best time to be in Alaska. The temperature is too low this month for a warm stay.
Temperature records for Alaska in May
With 29°C, Alaska hit the highest temperature in the last 10 years in May 2015. The lowest daytime temperature in this month was 3°C in 2023. The extreme night temperatures ranged from a low of -5°C to a high of 13°C.
Check out the climate of Alaska for all months and discover the best travel time
The climate of Alaska is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Alaska for a full picture of the climate.
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Daily Temperature in May in Alaska
This chart shows the average daily temperatures, both day and night, for each day in May in Alaska, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Alaska
The chart below shows the average daily precipitation in May for Alaska, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 5 days of rain in Alaska.
Daily Snowfall in May in Alaska
This chart shows the average daily snowfall in May in Alaska, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV Index in May in Alaska
This chart shows the average daily UV index in May in Alaska, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Alaska Over the Years
This chart shows the average temperature in May in Alaska, measured in degrees Celsius, over the past years.
Total Precipitation in May in Alaska Over the Years
This chart shows the average precipitation in May in Alaska, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in May in Alaska per year
This chart shows the average snowfall in May in Alaska, measured in centimetres, over the past years.
Daily climate in May for Alaska
Click on a specific day in May for detailed info on the typical weather on that day in Alaska. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Alaska
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Average Weather in Alaska by Month
Click on a month below to see detailed weather info for Alaska. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
